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Hypothesis Testing

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Question 30

A company produces pens. The probability that any pen is defective is 0.10.

A sample of 12 pens is taken. Find the probability that 2 or more pens are defective.

[2]
Markscheme

Hypothesis Testing Questions

  1. A Level
  2. /Maths
  3. /Hypothesis Testing

153 exam-style questions on Edexcel A Level Maths Hypothesis Testing, covering 7.1 Hypothesis Testing, 7.2 Finding Critical Values, 7.3 One-Tailed Tests, and 7.4 Two-Tailed Tests. Each one has a worked solution and a mark scheme showing where the marks go.

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